A cube iron block with an edge length of 6 decimeters is forged into a cuboid part with a bottom area of 15 square decimeters. What is the height of the part?

A cube iron block with an edge length of 6 decimeters is forged into a cuboid part with a bottom area of 15 square decimeters. What is the height of the part?

The height of this cuboid is 14.4 decimeters